.big_border .product_display_div1  span, a{
    color: #6d877e;
    cursor: pointer;
  }
  .big_border .product_display_div1{
      line-height: 50px;
     
  
     }
 .big_border{
      border-bottom: 3px solid #f3f3f3;
      height: 50px;
     
  }
  .big_border1 .product_display_div2 h2{
    font-weight: lighter;
    cursor: pointer;
    margin-bottom:28px ;
  }
  .big_border1 .product_display_div2 h2:hover{
      background-image: url(../images/nav_bg02.png);
      background-repeat: no-repeat;
      background-position: left bottom;
  }
.big_border1 .product_display_div2_content1 .product_display_div2_content1_ul1 li{
    color: #52484b;
    line-height: 47px;
    background-color: #f2f2f2;
    width: 260px;
    margin-bottom: 3px;
    text-align: center;
    
}
.big_border1 .product_display_div2_content1>img{
    width: 260px;
    height: 300px;
    margin-top: 20px;
}